85612243968 has 66 divisors (see below), whose sum is σ = 247203523164. Its totient is φ = 28537411584.

The previous prime is 85612243961. The next prime is 85612243973. The reversal of 85612243968 is 86934221658.

85612243968 is a `hidden beast` number, since 85 + 6 + 122 + 439 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (85612243961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4635546 + ... + 4653977.

Almost surely, 2^85612243968 is an apocalyptic number.

It is an amenable number.

85612243968 is an abundant number, since it is smaller than the sum of its proper divisors (161591279196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85612243968 is a wasteful number, since it uses less digits than its factorization.

85612243968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289549 (or 9289528 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 85612243968 in words is "eighty-five billion, six hundred twelve million, two hundred forty-three thousand, nine hundred sixty-eight".